Understanding the Most Advanced Future Mobile DRAM …...What’s Driving Mobile Data Consumption Video / Communications Smartphone Tablet 45% 50% % Data Consumption % Data Consumption

Understanding the Most Advanced Understanding the Most Advanced Future Mobile DRAM SolutionsFuture Mobile DRAM SolutionsFuture Mobile DRAM SolutionsFuture Mobile DRAM Solutions

JEDEC at CES 2014

Mueez Deen, Mobile MarketingHank Lai, Mobile Product PlanningSamsung Semiconductor Inc.

Copyright © 2014 SAMSUNG

What’s Driving Mobile Data ConsumptionWhat’s Driving Mobile Data Consumption

Video / Communications

TabletTabletSmartphone Smartphone

45% 50%

% Data Consumption % Data Consumption

Information 12% 17%

Web Browsing 6% 7%Web Browsing 6% 7%

Social Networking 7% 3%

Music/Audio Streaming 4% 3%

System 16% 13%

Other 10% 7%

Source: Cisco Data Meter, Sep 2012–Dec 2012

Average Mobile user; Traffic per MonthAverage Mobile user; Traffic per Month

20172017

2.0 GB 2.0 GB Traffic/month

20122012

201 MB 201 MB Traffic/month

1 Hour of Video

1 Video call

2 Hours of Audio

1 App Download

10 Hours of Video

5 Video calls

15 Hours of Audio

15 App Downloads

Source: Cisco VNI Global Mobile Data Traffic Forecast, 2012–2017

10X

15X

5X

Global Mobile Data TrafficGlobal Mobile Data Traffic

6

8

10

12E

xa

byte

s p

er

Mo

nth

7.4 EB

11.2 EB

66% CAGR 2012–2017

13X

0

2

4

6

2012 2013 2014 2015 2016 2017

Ex

ab

yte

s p

er

Mo

nth

0.9 EB

4.7 EB

2.8 EB

1.6 EB


Global Mobile Data Traffic, Global Mobile Data Traffic, by Categoryby Category

8

10

12

Ex

ab

yte

s p

er

Mo

nth

Mobile File Sharing (3.5%)

Mobile M2M (5.1%)

Mobile Web/Data (24.9%)

Mobile Video (66.5%)

66% CAGR 2012–2017

Figures (n) refer to

0

2

4

6

2012 2013 2014 2015 2016 2017

Ex

ab

yte

s p

er

Mo

nth

Figures (n) refer to 2017 traffic share


Video is

2/3rd

FaceTimeFaceTime Data Usage StudyData Usage StudyKey FindingsKey Findings

Devices

• iPhone 5: 75% higher data consumption than iPhone 4

Data Usage

•• 3.4 MB per minute average 3.4 MB per minute average data consumption across all data consumption across all

Network Technology

•• WiWi--Fi data consumption up to Fi data consumption up to 3X greater than cell network3X greater than cell network

•• Less than 10% difference in Less than 10% difference in 3G and 4G data consumption3G and 4G data consumption

Source: Cisco Analysis, 2013

consumption than iPhone 4 over Wi-Fi

• Nearly 20% higher on mobile

data consumption across all data consumption across all device and network typesdevice and network types

6

8

10

Exab

yte

s p

er

Mo

nth

2-2.5G

3-3.5G

4G

51%

4%

© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 7

0

2

4

6

2012 2013 2014 2015 2016 2017

Exab

yte

s p

er

Mo

nth

14%

45%10%76%


Smartphone MarketSmartphone MarketMobile phone shipments will total 1,677M in 2014

Smartphone segment will grow by 15% to 1,154M – representing 67% of total shipments

Strong smartphone demand expected due to increased cannibalization of feature phones in emerging markets

(60%)

2%2%

(62%)

18%

(51%)

7%

(42%)

5%(15%)

(9%)

5%

40%40%

0.30.4

0.7

1.0

1.21.5

(60%)

7%7%

(15%)

(34%)

1,235

1,4591,566

1,6381,677 1,757

291(22%)

470(32%)

710(45%)

1005(61%)

1,154(69%)

1,260(72%)

17%17%

0.3

7.39.9

10.811.3

13.716

Tablet MarketTablet MarketTablet shipments will grow 29% to 285M in 2014

Tablet market growth continues, especially in the low-end segment

Tablet average memory content grows 10% to 21.9GB/sys in 2014

261%

142%

55%27%29%

57%57%

0.61.0

1.0

1.5

2.138%38%

27%29%

59

138

221

285

363

WB66

WB89

WB70

31.4

20.0

23.021.9

25.4

--5%5%

WB30

Performance Improves But Power Still An IssuePerformance Improves But Power Still An Issue

Smartphone performance exploding

Cellular

Wi-Fi(B/W)

x202~5Mbps

150~300Mbps

50~100Mbps

7Gbpsx30

2010 2020(vs. 2010)

�� Battery capacity not keeping up

Key Mobile Memory Requirements

Display(Resolution)

720p 4,000px17

x34

Source : ARMSource : ARMSource : ARMSource : ARM

720p H.264 4Kp H.265Video(Resolution)

Battery x2.25.76W/h 13W/h

Key Mobile Memory Requirements� Faster Performance & More Capability� While Maintaining Low Power Consumption

• Sensor Enabled• Environment-Aware• Hands-Free, Easy Access• Always On/Always Connected

What’s Next for Mobile: Wearable Devices?What’s Next for Mobile: Wearable Devices?

Smartphones & Tablets still in early stage, but see strong onset of wearables and potential for future devices

• Always On/Always Connected• Development Platforms• Wider Markets/Applications

. . . And they all need Flash

• Strong demand for high speed/bandwidth Mobile DRAM

– Double the bandwidth every other year : LP2(‘11) � LP3(‘13) � LP4(‘15)

38.4

LPDDR4x64

LPDDR4Ex64

~4266Mbps

LPDDR3x128

LPDDR4x128

~3200Mbps

WIO2x512

~800Mbps51.2

GB/s

Mobile DRAM Technology Trend

0

12.8

25.6

2012 2013 2014 2015

LPDDR2x32

~800Mbps

LPDDR3x32

~1600Mbps

LPDDR3Ex32

~1866MbpsLPDDR2x64

~1066Mbps

LPDDR3x64

~1600Mbps

LPDDR4x64

~3200Mbps

LPDDR2x128

~1066bps

LPDDR3x128

~1600Mbps

LPDDR3Ex64

~1866Mbps

* Platform MP : 3~6month later

LPDDR4 Key Features

� Evolutionary DRAM technology enables 3.2Gbps and faster

Items LPDDR3 LPDDR4 Comments

Speed

CLK400-800MHz

(~1066MHz w/ LP3E)800-1600MHz

2X, Pursues higher

speed

CMD/ADDR DDR SDR -

DQ DDR DDR

Band Width 12.8GB/s+ (2ch) 25.6GB/s+ (2ch) 2X

Voltage VDD2/VDDQ/VDD1 1.2/1.2/1.8 1.1/1.1/1.8 Total Pd 10%↓Voltage VDD2/VDDQ/VDD1 1.2/1.2/1.8 1.1/1.1/1.8 Total Pd 10%↓

Architecture

[# o Ch & DQs]/ Die x32 2x16 IDD4 20% ↓

# of Bank/channel 8 8 -

Page Size 4K 2K IDD0 10%↓

BL 8 16 32B/ch

Interface

I/O interface HSUL LVSTL 40% I/O power reduction (vs. POD)DQ ODT

No term (VDDQterm option)

VSSQ Term

CA ODT No term VSSterm Optional

Vref External Internal

LPDDR4 - Innovative Interface LVSTL

LVSTL (Low Voltage Swing Terminated Logic)• High frequency operation with less IO power consumption• No DC power consumption when driving “low”• Lower Cio, small Xtalk and SSN, because of small swing• Stronger reference plane• Easy voltage scaling

0

2

4

6

8

10

CTT POD_VDDQ LVSTL_VSSQ

DDR3 DDR4 LPDDR4

(mW/Gbps/pin)

32%

40%

VDDQ

VOH

LPDDR4 LVSTL I/O Power by Interfaces

LPDDR4 3.2Gbps and Beyond

LPDDR4 LVSTL enables stable 3.2Gbps with 70% UI• Initial SI study result shows prominent 4.3Gbps

with 60% UI @ 350mV swing• Further enhancement by reducing trace length, optimizing

channel - SOC/PKG/DRAM and lower Cio

3.2Gbps Data Eye Diagram (ODT=60ohm) 4.3Gbps Data Eye Diagram (ODT=60ohm)

218218140140

Over 70%Over 60%

Source : Samsung memory DRAM Design Team (Feb’13)Source : Samsung

Power Efficiency by Enhanced Architecture

� Core power reduction by adopting advanced low power-friendly architecture

x32

BL8

32Byte

Low Power 32-bit Architecture Access Granularity & Page-size/Ch

x16

BL16

LPDDR4 : Activated Page 2KB(1Kx16)

32Byte

~20% IDD4 reduction ~10% IDD0 reduction

x16

LPDDR3 : Activated Page 4KB(1Kx32)

Power Efficiency by DRAM Technology

ODT

I/O

CoreDDR4

-40%

mW/GB

� More than 40% power efficiency improvement by adopting new architecture, circuits and low VDD

LP3_1600 LP3_1866 LP3_2133 LP3_4Ch LP4 WIO2

12.8GB/s 14.6GB/s 17GB/s 25.6GB/s

Source : Samsung

Power Saving with Advanced Technology

� LPDDR4 consumes much less power than LPDDR3 for performing certain tasks

Time

Power Active

StandbyLPDDR3

Time

Time

Power Active

StandbyLPDDR4

Power(Area)@LP4 << Power@LP3

SummarySummary

• Mobile devices continue to demand higher performance without sacrificing battery life

• LPDDR4 is the most power efficient (mW/GBps) memory that will meet these demands handily demands handily

• Please plan to design your next generation devices with LPDDR4!

Thank You!Thank You!

Understanding the Most Advanced Future Mobile DRAM …...What’s Driving Mobile Data Consumption Video / Communications Smartphone Tablet 45% 50% % Data Consumption % Data Consumption

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